<template>
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<div class="layout-columns-aside">
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<el-scrollbar>
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<ul @mouseleave="onColumnsAsideMenuMouseleave()">
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<li
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v-for="(v, k) in columnsAsideList"
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:key="k"
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@click="onColumnsAsideMenuClick(v, k)"
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@mouseenter="onColumnsAsideMenuMouseenter(v, k)"
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:ref="
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(el) => {
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if (el) columnsAsideOffsetTopRefs[k] = el;
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}
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"
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:class="{ 'layout-columns-active': liIndex === k, 'layout-columns-hover': liHoverIndex === k }"
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:title="$t(v.meta.title)"
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>
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<div :class="themeConfig.columnsAsideLayout" v-if="!v.meta.isLink || (v.meta.isLink && v.meta.isIframe)">
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<SvgIcon :name="v.meta.icon" />
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<div class="columns-vertical-title font12">
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{{
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$t(v.meta.title) && $t(v.meta.title).length >= 4
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? $t(v.meta.title).substr(0, themeConfig.columnsAsideLayout === 'columns-vertical' ? 4 : 3)
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: $t(v.meta.title)
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}}
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</div>
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</div>
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<div :class="themeConfig.columnsAsideLayout" v-else>
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<a :href="v.meta.isLink" target="_blank">
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<SvgIcon :name="v.meta.icon" />
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<div class="columns-vertical-title font12">
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{{
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$t(v.meta.title) && $t(v.meta.title).length >= 4
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? $t(v.meta.title).substr(0, themeConfig.columnsAsideLayout === 'columns-vertical' ? 4 : 3)
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: $t(v.meta.title)
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}}
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</div>
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</a>
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</div>
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</li>
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<div ref="columnsAsideActiveRef" :class="themeConfig.columnsAsideStyle"></div>
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</ul>
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</el-scrollbar>
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</div>
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</template>
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<script lang="ts">
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import { reactive, toRefs, ref, onMounted, nextTick, getCurrentInstance, watch, onUnmounted, defineComponent } from 'vue';
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import { useRoute, useRouter, onBeforeRouteUpdate, RouteRecordRaw } from 'vue-router';
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import { storeToRefs } from 'pinia';
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import pinia from '/@/stores/index';
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import { useRoutesList } from '/@/stores/routesList';
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import { useThemeConfig } from '/@/stores/themeConfig';
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// 定义接口来定义对象的类型
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interface ColumnsAsideState {
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columnsAsideList: any[];
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liIndex: number;
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liOldIndex: null | number;
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liHoverIndex: null | number;
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liOldPath: null | string;
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difference: number;
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routeSplit: string[];
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}
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export default defineComponent({
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name: 'layoutColumnsAside',
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setup() {
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const columnsAsideOffsetTopRefs: any = ref([]);
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const columnsAsideActiveRef = ref();
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const { proxy } = <any>getCurrentInstance();
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const stores = useRoutesList();
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const storesThemeConfig = useThemeConfig();
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const { routesList, isColumnsMenuHover, isColumnsNavHover } = storeToRefs(stores);
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const { themeConfig } = storeToRefs(storesThemeConfig);
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const route = useRoute();
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const router = useRouter();
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const state = reactive<ColumnsAsideState>({
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columnsAsideList: [],
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liIndex: 0,
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liOldIndex: null,
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liHoverIndex: null,
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liOldPath: null,
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difference: 0,
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routeSplit: [],
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});
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// 设置菜单高亮位置移动
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const setColumnsAsideMove = (k: number) => {
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state.liIndex = k;
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columnsAsideActiveRef.value.style.top = `${columnsAsideOffsetTopRefs.value[k].offsetTop + state.difference}px`;
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};
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// 菜单高亮点击事件
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const onColumnsAsideMenuClick = (v: Object, k: number) => {
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setColumnsAsideMove(k);
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let { path, redirect } = v as any;
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if (redirect) router.push(redirect);
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else router.push(path);
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};
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// 鼠标移入时，显示当前的子级菜单
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const onColumnsAsideMenuMouseenter = (v: RouteRecordRaw, k: number) => {
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let { path } = v;
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state.liOldPath = path;
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state.liOldIndex = k;
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state.liHoverIndex = k;
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proxy.mittBus.emit('setSendColumnsChildren', setSendChildren(path));
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stores.setColumnsMenuHover(false);
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stores.setColumnsNavHover(true);
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};
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// 鼠标移走时，显示原来的子级菜单
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const onColumnsAsideMenuMouseleave = async () => {
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await stores.setColumnsNavHover(false);
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// 添加延时器，防止拿到的 store.state.routesList 值不是最新的
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setTimeout(() => {
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if (!isColumnsMenuHover && !isColumnsNavHover) proxy.mittBus.emit('restoreDefault');
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}, 100);
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};
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// 设置高亮动态位置
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const onColumnsAsideDown = (k: number) => {
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nextTick(() => {
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setColumnsAsideMove(k);
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});
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};
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// 设置/过滤路由（非静态路由/是否显示在菜单中）
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const setFilterRoutes = () => {
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state.columnsAsideList = filterRoutesFun(routesList.value);
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const resData: any = setSendChildren(route.path);
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if (Object.keys(resData).length <= 0) return false;
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onColumnsAsideDown(resData.item[0].k);
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proxy.mittBus.emit('setSendColumnsChildren', resData);
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};
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// 传送当前子级数据到菜单中
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const setSendChildren = (path: string) => {
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const currentPathSplit = path.split('/');
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let currentData: any = {};
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state.columnsAsideList.map((v: any, k: number) => {
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if (v.path === `/${currentPathSplit[1]}`) {
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v['k'] = k;
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currentData['item'] = [{ ...v }];
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currentData['children'] = [{ ...v }];
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if (v.children) currentData['children'] = v.children;
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}
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});
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return currentData;
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};
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// 路由过滤递归函数
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const filterRoutesFun = (arr: Array<string>) => {
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return arr
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.filter((item: any) => !item.meta.isHide)
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.map((item: any) => {
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item = Object.assign({}, item);
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if (item.children) item.children = filterRoutesFun(item.children);
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return item;
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});
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};
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// tagsView 点击时，根据路由查找下标 columnsAsideList，实现左侧菜单高亮
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const setColumnsMenuHighlight = (path: string) => {
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state.routeSplit = path.split('/');
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state.routeSplit.shift();
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const routeFirst = `/${state.routeSplit[0]}`;
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const currentSplitRoute = state.columnsAsideList.find((v: any) => v.path === routeFirst);
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if (!currentSplitRoute) return false;
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// 延迟拿值，防止取不到
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setTimeout(() => {
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onColumnsAsideDown((<any>currentSplitRoute).k);
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}, 0);
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};
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// 监听布局配置信息的变化，动态增加菜单高亮位置移动像素
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watch(
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pinia.state,
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(val) => {
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val.themeConfig.themeConfig.columnsAsideStyle === 'columnsRound' ? (state.difference = 3) : (state.difference = 0);
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if (!val.routesList.isColumnsMenuHover && !val.routesList.isColumnsNavHover) {
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state.liHoverIndex = null;
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proxy.mittBus.emit('setSendColumnsChildren', setSendChildren(route.path));
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} else {
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state.liHoverIndex = state.liOldIndex;
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if (!state.liOldPath) return false;
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proxy.mittBus.emit('setSendColumnsChildren', setSendChildren(state.liOldPath));
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}
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},
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{
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deep: true,
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}
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);
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// 页面加载时
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onMounted(() => {
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setFilterRoutes();
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// 销毁变量，防止鼠标再次移入时，保留了上次的记录
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proxy.mittBus.on('restoreDefault', () => {
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state.liOldIndex = null;
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state.liOldPath = null;
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});
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});
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// 页面卸载时
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onUnmounted(() => {
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proxy.mittBus.off('restoreDefault', () => {});
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});
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// 路由更新时
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onBeforeRouteUpdate((to) => {
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setColumnsMenuHighlight(to.path);
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proxy.mittBus.emit('setSendColumnsChildren', setSendChildren(to.path));
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});
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return {
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themeConfig,
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columnsAsideOffsetTopRefs,
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columnsAsideActiveRef,
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onColumnsAsideDown,
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onColumnsAsideMenuClick,
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onColumnsAsideMenuMouseenter,
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onColumnsAsideMenuMouseleave,
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...toRefs(state),
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};
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},
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});
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</script>
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<style scoped lang="scss">
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.layout-columns-aside {
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width: 70px;
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height: 100%;
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background: var(--next-bg-columnsMenuBar);
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ul {
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position: relative;
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li {
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color: var(--next-bg-columnsMenuBarColor);
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width: 100%;
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height: 50px;
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text-align: center;
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display: flex;
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cursor: pointer;
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position: relative;
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z-index: 1;
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.columns-vertical {
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margin: auto;
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.columns-vertical-title {
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padding-top: 1px;
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}
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}
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.columns-horizontal {
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display: flex;
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height: 50px;
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width: 100%;
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align-items: center;
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padding: 0 5px;
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i {
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margin-right: 3px;
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}
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a {
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display: flex;
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.columns-horizontal-title {
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padding-top: 1px;
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}
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}
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}
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a {
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text-decoration: none;
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color: var(--next-bg-columnsMenuBarColor);
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}
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}
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.layout-columns-active {
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color: var(--next-bg-columnsMenuBarColor) !important;
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transition: 0.3s ease-in-out;
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}
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.layout-columns-hover {
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color: var(--el-color-primary);
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a {
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color: var(--el-color-primary);
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}
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}
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.columns-round {
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background: var(--el-color-primary);
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color: var(--el-color-white);
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position: absolute;
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left: 50%;
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top: 2px;
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height: 44px;
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width: 65px;
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transform: translateX(-50%);
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z-index: 0;
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transition: 0.3s ease-in-out;
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border-radius: 5px;
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}
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.columns-card {
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@extend .columns-round;
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top: 0;
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height: 50px;
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width: 100%;
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border-radius: 0;
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}
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}
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}
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</style>
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